Founding Frontend Engineer - Proofline

Founding Engineer — Full-Stack, Front-End HeavyLocation: HSR, Bengaluru (On-site)Experience: 4+ yearsAbout the RoleJoin our founding team as a full-stack engineer with a front-end focus. You'll own the flagship product surface: an interactive, real-time graph canvas that serves as a dynamic, immersive map of team knowledge. The platform supports smooth, collaborative experiences at scale—rendering from tens to thousands of nodes in real <time.You>'ll have a direct impact on how teams collaborate and structure knowledge, working on challenging technical problems and shipping innovative, user-centric features. We value creative thinkers who combine strong engineering fundamentals with unique product perspectives and a willingness to work across the stack.ResponsibilitiesDesign and build intuitive, direct-manipulation interactions on the graph canvas (drag-to-restructure, inline editing, curation flows)Own rendering performance and help drive our scaling roadmap (semantic collapse, virtualization, optimization)Implement real-time multi-user collaboration on our websocket/CRDT foundationContribute across the stack as neededMaintain and extend a precise, minimal design system (with no full-time designer on the team)RequirementsFull-stack engineering experience with deep React + TypeScript skills on the front endDelivered at least one complex, interactive surface: canvas, editor, graph/data-viz, or map – beyond standard CRUDStrong track record optimizing rendering performance, including profiling and working with SVG/canvas/WebGL trade-offsExperience with real-time or collaborative editing is a plusExcellent product and design instincts